Added support for Beats modules

Signed-off-by: Christopher Svensson <stoffus@stoffus.com>

Author: stoffus

defaults/main.yml

@@ -12,3 +12,4 @@ logging_conf: {"files":{"rotateeverybytes":10485760}}
 output_conf: {"elasticsearch":{"hosts":["localhost:9200"]}}
 beats_pid_dir: "/var/run"
 beats_conf_dir: "/etc/{{beat}}"
+beats_modules_dir: "/etc/{{beat}}/modules.d"

tasks/beats-config.yml

@@ -85,3 +85,15 @@
     group: root
   when: default_ilm_policy is defined
   notify: restart the service
+
+- name: Assert modules.path presence
+  assert:
+    that:
+      - beat_conf.filebeat.config.modules.path is defined
+    fail_msg: 'You need to configure beat_conf.filebeat.config.modules.path for modules to be loaded'
+  when: beat_modules is defined
+
+- name: Set up and configure modules
+  include_tasks: beats-modules.yml
+  with_dict: "{{ beat_modules }}"
+  when: beat_modules is defined

tasks/beats-modules.yml

@@ -0,0 +1,24 @@
+- name: Disable modules
+  become: yes
+  file:
+    path: "{{ beats_modules_dir }}/{{ item.key }}.yml"
+    state: absent
+  when: item.value.enabled is defined and not item.value.enabled
+  notify: restart the service
+
+- name: Enable modules with default config
+  become: yes
+  copy:
+    remote_src: yes
+    src: "{{ beats_modules_dir }}/{{ item.key }}.yml.disabled"
+    dest: "{{ beats_modules_dir }}/{{ item.key }}.yml"
+  when: (not item.value.enabled is defined or item.value.enabled) and not item.value.config is defined
+  notify: restart the service
+
+- name: Set up modules with custom config
+  become: yes
+  copy:
+    content: "{{ item.value.config | to_nice_yaml(indent=2) }}"
+    dest: "{{ beats_modules_dir }}/{{ item.key }}.yml"
+  when: (not item.value.enabled is defined or item.value.enabled) and item.value.config is defined
+  notify: restart the service